The dataset contains occurence data for 184 macroinvertebrate communities in Mediterranean and Black Sea transitional water ecosystems. Dataset includes a species list, obtained by species lists reported in published papers or books (89.24%) and grey literature or unpublished data collected by the authors (10.76%). It includes data on 1721 macroinvertebrate species.

The dataset is the result of a search, of published information and data on the fish communities of the Mediterranean lagoons, performed using official cartographic information at the national and/or regional level, national and/or regional published catalogues of lagoons, publications in international, national and local peer reviewed journals. Tha dataset contains occurence data for 79 fish communities in transitional water ecosystems. Dataset includes data on 272 fish taxa and 1609 records.

The dataset contains abundance and body size data of the benthic macroinvertebrates community of Idro River (Apulia, Italy). Data refer to 38 taxa and 9086 individuals.

The dataset contains an updated checklist of the terrestrial, freshwater, and marine species of Metazoa present in Italy; the first version of the dataset includes > 27000 species and subspecies. For each species, an updated taxonomic classification and the currently accepted Linnean binomen and authorship is given, accompanied by distributional data (occurrence in 3 terrestrial and 9 marine macroregions, and optionally occurrence in the administrative Italian regions and neighbouring areas abroad). Endemics and alien species are indicated. The dataset is completed by taxonomic and distributional notes including pertinent literature and synonymies.

The dataset contains taxonomic and body size data of the macroinvertebrates community of the benthic macroinvertebrates community of Flumendosa River (Sardinia, Italy). Data refer to 80 taxa and 14502 individuals.

The dataset contains taxonomic data of the macroinvertebrates community of Pula River (Sardinia, Italy). Data refer to 232 taxa and 29213 individuals.

The dataset contains 6129 occurence data and other ecological information of the natural reserve of Castelporziano Estate (Rome, Italy). Data refers to native and alien species of different groups of organisms: monera, protista, fungi, plants and animals. Dataset includes bibliographic and unpublished data. Information related to the conservation status provided by the IUCN Red Lists, EC Habitat and Birds Directives are also available.

The dataset contains abundance and body size data of benthic macroinvertebrates collected in the river Tirso (Sardinia, Italy) during the years 1994-1995. Data refer to 99 taxa and 27393 individuals.

The dataset provides data on the flora and fauna of the Natura 2000 sites in Apulia, Italy. The dataset is a collection of bibliographic data on the presence of species of fauna and flora belonging to the red lists and not present in Natura 2000 sites. The data was collected considering everything that has been published locally, regionally and nationally. This research included not only data included in the literature but also to the so-called "gray literature". For this research were consulted articles published in local magazines, dissertations, brochures and data published in journals of higher knowledge.

The dataset contains taxonomic and body size data of the benthic macroinvertebrate communities collected in the abandoned mining area of Ingurtosu-Montevecchio (Sardinia, Italy) during the years 1993-1994. Sampling sites were located along two main streams Rio Roia Cani-Piscinas and Rio Naracauli, and outside the mining area. Data refer to 34 taxa and 2033 individuals.